Powerful PowerNick® 18 main strings combine with softer, more flexible PowerFusionTM cross strings to create a perfectly blended string bed with power, durability and low shock. POWER: FEEL: TENSION STABILITY: DURABILITY: POWER: FEEL: TENSION STABILITY: DURABILITY: FEATURES ADVANTAGES SPECIFICATIONS Material PowerNick® 18 - Zyex® Monofilament PowerFusionTM - Zyex® Multifilament Gauge PowerNick® 18 - 1.15 mm PowerFusionTM - 1.20 mm Length PowerNick® 18 - 18 ft (5.5 m) set / 195 ft (60 m)  reel PowerFusionTM - 18 ft (5.5 m) set / 195 ft (60 m)  reel Color PowerNick® 18 - Red PowerFusionTM - White PowerNick® 18 - Tremendous power from dynamic stiffness of the Zyex® monofilaments PowerFusionTM - Superior playability and control from flexibility of the multifilament Zyex® braid Excellent tension stability at all tension levels Hybrid string bed provides high power, superior durability and low shock Usage: Top professional and amateur players Players looking for dynamic string bed that is powerful, durable and resilient Stringing Tension: PowerNick® 18 Mains: up to 32 lbs (14.5 kgs) PowerFusionTM Crosses: up to 34 lbs (15.5 kgs) Note: Recommend crosses to be installed at 5% more tension than mains ZYEX® is a registered trademark of Victrex Ltd.